//指针实现字符串比较
#include<iostream>
using namespace std;




int main() {
	int *a, *b, *c;
	a = new int;
	b = new int;
	c = new int;
	cin >> *a >> *b >> *c;
	cout << *a + *b + *c;
	delete a, b, c;
	return 0;


}
